STM32 MCUs Products

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Resolved! STM32L0 cannot change PWR_CR_ VOS

Hi, I'm stuck on a problem with setting PWR_CR_VOS on NUCLEO-32 STM32L031K6- I want to select HSI16-PLL as clock source- VDD is 3.3V- FLASH latency is set to 1WSBut I can only set PWR_CR_VOS to RANGE 2 and RANGE 3.RANGE 1 cannot be selected, so I can...

RinGO by Associate III
  • 198 Views
  • 9 replies
  • 0 kudos

toolchain installation failures

Hi.  I have a newly purchased NUCLEO-U575ZI-Q.  I followed the instructions here to install the toolchain on Windows 11:https://www.st.com/en/evaluation-tools/nucleo-u575zi-q.html#documentationhttps://wiki.st.com/stm32mcu/wiki/STM32StepByStep:Step1_T...

mdeis_0-1765389725567.png mdeis_1-1765390093122.png mdeis_2-1765390153742.png
mdeis by Associate II
  • 164 Views
  • 7 replies
  • 1 kudos

RTC LSE not working with VBAT on poweroff

I am working on an STM32 device with TrustZone enabled, and I am using the RTC with backup domain powered by VBAT. My RTC is initially configured while VDD is present, and after power-off, the time is supposed to be retained using VBAT.When I use the...

Ananth_ by Associate II
  • 94 Views
  • 2 replies
  • 1 kudos

Resolved! DBP bit couldn't be set to 1

I want to use stm32f103rct6 inner RTC, I write some code as below to active RTC, But I found I couldn't set DBP bit of PWR_CR reg to 1,   __HAL_RCC_PWR_CLK_ENABLE(); __HAL_RCC_BKP_CLK_ENABLE(); LL_PWR_EnableBkUpAccess();when I debug the re...

STM32G031K8 consumes 100uA in Stop1 mode

Hi,I am currently working on the firmware of a PCB with an STM32G031K8T6 as the MCU, supplied by a 1.8V voltage.When I enter Stop 1 mode, the consumption of the MCU drops to 100uA, instead of the 7uA stated in the datasheet.The app_stop function is a...

levantg by Associate II
  • 1894 Views
  • 19 replies
  • 0 kudos